Hi Mike from EnZed,
I second Daniel's response. See the impermanence and move on. It's all about increasing concentration abilities enough to contemplate the Dhamma, from which the real fruits of practice will develop.
Daniel M. Ingram:
The buzzing itself, all the little sensations that make it up, every little one, arising and vanishing, over and over, again and again, seeing these writes insight upon the mind, and more insight moves things along.
Speed, precision, consistency, and then breadth of the ability to do this...